{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["entity origin", "message topic", "product producer", "else"], "input": "the cactus wren builds many nests in the cactus , but actually nests in only one ."}
{"entity origin": [], "message topic": [], "product producer": [{"subject": "wren", "object": "nests"}], "else": []}